’Come on, Harry, haven’t you seen enough of this house to tell what kind of wizards my family were?’ said Sirius testily.
It’s not a question of how impressive the magic was,’ said Fudge in a testy voice, ’in fact, the more impressive the worse it is, I would have thought, given that the boy did it in plain view of a Muggle!
’Ernie, do you really think I’d leave that list lying around?’ said Hermione testily.
If you resign,’ said Harry testily, ’there’ll only be three players left on the team.
’What do you mean by shaking your head, dear?’ said Umbridge in a testy voice.
This human" now, am I?’ said Hagrid testily.
There are no more uses of "testy" in the book.
Show samples from other sources
She gets a little testy when she hasn’t had enough sleep.
Anybody who comes here ends up getting . . . testy.